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Joshua and his army are planning to circle Jericho seven times. Will the wall come tumbling down? The king of Jericho reports that: I ascribe probability 0.8 to "the wall of the city will fall, and Joshua ascribes probab ...

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1. Why do researchers use factor analysis? 2. Imagine that you conducted a factor analysis on a set of variables that were uncorrelated with one another. How many factors would you expect to find? Why?

1. Show by example that if A and B are two matchings (not necessarily stable), then A ∨w B is not necessarily a matching. 2. Prove that when the partial ordering over the set of stable matchings is , the minimum of the s ...

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One study based on responses from 1013 teenagers concluded that 42% cite grades as their greatest source of pressure. Use .05 significance level to test the claim that fewer than half of all teenagers in the population f ...

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